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Review for Test - Physical/Chemical Changes, Atoms, Elements & Compounds

Quiz by Farkhunda

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14 questions
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  • Q1
    Which of the following is a chemical change?
    Chopping vegetables
    Dissolving sugar in water
    Baking a cake
    Freezing water
    60s
  • Q2
    Which of the following is an example of a physical change?
    Rusting iron
    Melting ice
    Combustion of gasoline
    Burning wood
    60s
  • Q3
    Which of the following is NOT a sign of a chemical change?
    Formation of a precipitate
    Production of gas
    Change in size or shape
    Change in color
    60s
  • Q4
    Which process is an example of a physical change?
    Burning paper
    Breaking a glass
    Rust forming on iron
    Digesting food
    60s
  • Q5
    Which of the following is a characteristic of a physical change?
    It involves a color change that is permanent
    It can often be reversed.
    It produces heat
    It changes the chemical identity
    60s
  • Q6
    What occurs during a chemical change?
    The substance changes only its state
    The substance maintains its original properties
    The size of the substance changes
    The original substances are transformed into different substances.
    60s
  • Q7
    Which of the following describes a chemical change?
    The reaction of vinegar and baking soda produces carbon dioxide gas.
    Dissolving salt in water
    Melting chocolate
    Cutting paper
    60s
  • Q8
    What type of change is fermentation of milk into cheese?
    Chemical change
    Physical change
    Phase change
    Mechanical change
    60s
  • Q9

    Which of the following statements best compares the two images?

    Question Image

    Image A is a compound because it has different types of atoms, and image B is an element because it has one type of atom.

    Images A and B are both compounds because they have more than one atom.

    Images A and B are both elements because they have more than one atom.

    Image A is an element because it has one type of atom, and image B is a compound because it has different types of atoms.

    60s
  • Q10

    Aluminum fluoride is a compound commonly used in ceramics. The chemical formula for aluminum fluoride is AlF3. The Periodic Table shows the elements used in the compound. Which of the following is true regarding aluminum fluoride?

    Question Image

    Aluminum fluoride contains 3 atoms of aluminum and 3 atoms of fluorine.

    Aluminum fluoride contains 1 atom of aluminum and 3 atoms of fluorine.

    Aluminum fluoride contains 3 atoms of aluminum and 1 atom of fluorine.

    Aluminum fluoride contains 1 atom of aluminum and 1 atom of fluorine.

    120s
  • Q11

    Which of the following provides the number of atoms of an element?

    Subscript

    Chemical symbol

    Coefficient

    Capitals

    60s
  • Q12

    Which of the following chemical formulas contains the most total atoms?

    H2O

    NaHCO3

    NaCl

    Cl

    120s
  • Q13

    Which of the answers below would not be a chemical symbol of an element?

    Mg

    Zn

    fe

    Cl

    60s
  • Q14

    Which of the data tables correctly classifies the given substances?

    Answer Image
    Answer Image
    Answer Image
    60s

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